junov | a41d3c3 | 2014-10-30 11:44:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "SkCanvas.h" |
| 9 | #include "SkBBoxHierarchy.h" |
| 10 | #include "SkPaint.h" |
| 11 | #include "SkPicture.h" |
| 12 | #include "SkPictureRecorder.h" |
| 13 | |
| 14 | #include "Test.h" |
| 15 | |
| 16 | class PictureBBHTestBase { |
| 17 | public: |
| 18 | PictureBBHTestBase(int playbackWidth, int playbackHeight, |
| 19 | int recordWidth, int recordHeight) { |
| 20 | |
| 21 | fResultBitmap.allocN32Pixels(playbackWidth, playbackHeight); |
| 22 | fPictureWidth = recordWidth; |
| 23 | fPictureHeight = recordHeight; |
| 24 | } |
| 25 | |
| 26 | virtual ~PictureBBHTestBase() { } |
| 27 | |
| 28 | virtual void doTest(SkCanvas& playbackCanvas, SkCanvas& recordingCanvas) = 0; |
| 29 | |
| 30 | void run(skiatest::Reporter* reporter) { |
| 31 | // No BBH |
| 32 | this->run(NULL, reporter); |
| 33 | |
| 34 | // With a Tile Grid |
| 35 | SkTileGridFactory::TileGridInfo gridInfo; |
| 36 | gridInfo.fMargin.setEmpty(); |
| 37 | gridInfo.fOffset.setZero(); |
| 38 | gridInfo.fTileInterval.set(1, 1); |
| 39 | SkTileGridFactory gridFactory(gridInfo); |
| 40 | this->run(&gridFactory, reporter); |
| 41 | |
| 42 | // With an R-Tree |
| 43 | SkRTreeFactory RTreeFactory; |
| 44 | this->run(&RTreeFactory, reporter); |
| 45 | } |
| 46 | |
| 47 | private: |
| 48 | void run(SkBBHFactory* factory, skiatest::Reporter* reporter) { |
| 49 | SkCanvas playbackCanvas(fResultBitmap); |
| 50 | playbackCanvas.clear(SK_ColorGREEN); |
| 51 | SkPictureRecorder recorder; |
mtklein | 7cc1a34 | 2014-11-20 08:01:09 -0800 | [diff] [blame^] | 52 | SkCanvas* recordCanvas = recorder.beginRecording(SkIntToScalar(fPictureWidth), |
| 53 | SkIntToScalar(fPictureHeight), |
| 54 | factory); |
junov | a41d3c3 | 2014-10-30 11:44:19 -0700 | [diff] [blame] | 55 | this->doTest(playbackCanvas, *recordCanvas); |
| 56 | SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| 57 | playbackCanvas.drawPicture(picture); |
| 58 | REPORTER_ASSERT(reporter, SK_ColorGREEN == fResultBitmap.getColor(0, 0)); |
| 59 | } |
| 60 | |
| 61 | SkBitmap fResultBitmap; |
| 62 | int fPictureWidth, fPictureHeight; |
| 63 | }; |
| 64 | |
| 65 | // Test to verify the playback of an empty picture |
| 66 | // |
| 67 | class DrawEmptyPictureBBHTest : public PictureBBHTestBase { |
| 68 | public: |
| 69 | DrawEmptyPictureBBHTest() |
| 70 | : PictureBBHTestBase(2, 2, 1, 1) { } |
| 71 | virtual ~DrawEmptyPictureBBHTest() { } |
| 72 | |
| 73 | virtual void doTest(SkCanvas&, SkCanvas&) SK_OVERRIDE { } |
| 74 | }; |
| 75 | |
| 76 | // Test to verify the playback of a picture into a canvas that has |
| 77 | // an empty clip. |
| 78 | // |
| 79 | class EmptyClipPictureBBHTest : public PictureBBHTestBase { |
| 80 | public: |
| 81 | EmptyClipPictureBBHTest() |
| 82 | : PictureBBHTestBase(2, 2, 3, 3) { } |
| 83 | |
| 84 | virtual void doTest(SkCanvas& playbackCanvas, SkCanvas& recordingCanvas) SK_OVERRIDE { |
| 85 | // intersect with out of bounds rect -> empty clip. |
| 86 | playbackCanvas.clipRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10), |
| 87 | SkIntToScalar(1), SkIntToScalar(1)), SkRegion::kIntersect_Op); |
| 88 | SkPaint paint; |
| 89 | recordingCanvas.drawRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0), |
| 90 | SkIntToScalar(3), SkIntToScalar(3)), paint); |
| 91 | } |
| 92 | |
| 93 | virtual ~EmptyClipPictureBBHTest() { } |
| 94 | }; |
| 95 | |
| 96 | DEF_TEST(PictureBBH, reporter) { |
| 97 | |
| 98 | DrawEmptyPictureBBHTest emptyPictureTest; |
| 99 | emptyPictureTest.run(reporter); |
| 100 | |
| 101 | EmptyClipPictureBBHTest emptyClipPictureTest; |
| 102 | emptyClipPictureTest.run(reporter); |
| 103 | } |
mtklein | 7cc1a34 | 2014-11-20 08:01:09 -0800 | [diff] [blame^] | 104 | |
| 105 | static void test_clear(skiatest::Reporter* r, SkBBHFactory* factory) { |
| 106 | // SkPicture should always call clear()s on the target canvas, even if its clip is empty. |
| 107 | SkPictureRecorder src, dst; |
| 108 | |
| 109 | // A picture that's just clear(). |
| 110 | src.beginRecording(1,1, factory) |
| 111 | ->clear(SK_ColorGREEN); |
| 112 | SkAutoTDelete<SkPicture> srcPic(src.endRecording()); |
| 113 | |
| 114 | // A target canvas with an empty clip. |
| 115 | SkCanvas* c = dst.beginRecording(1,1, NULL); |
| 116 | c->clipRect(SkRect::MakeEmpty()); |
| 117 | srcPic->playback(c); |
| 118 | SkAutoTDelete<SkPicture> dstPic(dst.endRecording()); |
| 119 | |
| 120 | // Should be Clip - Save - Clear - Restore. |
| 121 | // Buggy implementations might return 1 (just Clip) or 3 (Clip - Save - Restore). |
| 122 | REPORTER_ASSERT(r, dstPic->approximateOpCount() == 4); |
| 123 | } |
| 124 | |
| 125 | DEF_TEST(PictureBBH_Clear, r) { |
| 126 | test_clear(r, NULL); |
| 127 | |
| 128 | SkTileGridFactory::TileGridInfo grid = { {1,1}, {0,0}, {0,0} }; |
| 129 | SkTileGridFactory tilegrid(grid); |
| 130 | test_clear(r, &tilegrid); |
| 131 | |
| 132 | SkRTreeFactory rtree; |
| 133 | test_clear(r, &rtree); |
| 134 | } |